Experimental investigation on novel drilling strategy of CFRP laminates using variable feed rate

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dc.authoridYASAR, NAFIZ/0000-0002-1427-1384
dc.contributor.authorYasar, Nafiz
dc.contributor.authorGunay, Mustafa
dc.date.accessioned2024-09-29T15:54:46Z
dc.date.available2024-09-29T15:54:46Z
dc.date.issued2019
dc.departmentKarabük Üniversitesien_US
dc.description.abstractThis study focused on the influences of drilling parameters on hole quality and thrust force in drilling of carbon fiber-reinforced polymer (CFRP) composite laminates via variable feed rate. Drilling experiments were carried out by using three different cutting speeds, feed rates and the qualities of tungsten carbide drill. Scanning electron microscopy and coordinate measurement machine were used for hole surface damage and diameter analyses, and also a portable instrument and 3D optical profilometer were utilized for surface roughness measurement. It was identified that thrust force (F-z), delamination factor (F-d) and average surface roughness (R-a) values attained in drilling processes by variable feed rate are lower than those of constant feed rate with average of 14%, 3% and 18%, respectively. Besides, the hole diameter (D) values obtained with variable feed rate in hole exit were higher than those of constant feed rate. Moreover, the higher F-z values were obtained with diamond-coated and TiAlN-coated drills than those of uncoated drill with 55% and 77%, respectively. The interactive influences of drilling parameters on machinability factors were evaluated via analysis of variance, and then, the most significant parameter was specified as the feed rate for F-d, just as the drill quality for F-z, R-a and D. According to the experimental and statistical results, we suggested that the novel drilling strategy is a significant alternative for the step hole and conventional drilling of CFRP laminates.en_US
dc.description.sponsorshipScientific Research Project Unit of Karabuk University [KBU-BAP-15/2-DR-022]en_US
dc.description.sponsorshipThis study is supported by Scientific Research Project Unit of Karabuk University (KBU-BAP-15/2-DR-022), and the authors express their appreciation for this support.en_US
dc.identifier.doi10.1007/s40430-019-1658-2
dc.identifier.issn1678-5878
dc.identifier.issn1806-3691
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-85062264850en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1007/s40430-019-1658-2
dc.identifier.urihttps://hdl.handle.net/20.500.14619/4279
dc.identifier.volume41en_US
dc.identifier.wosWOS:000460270600005en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpringer Heidelbergen_US
dc.relation.ispartofJournal of the Brazilian Society of Mechanical Sciences and Engineeringen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectCFRPen_US
dc.subjectDrillingen_US
dc.subjectVariable feed rateen_US
dc.subjectHole qualityen_US
dc.subjectANOVAen_US
dc.titleExperimental investigation on novel drilling strategy of CFRP laminates using variable feed rateen_US
dc.typeArticleen_US

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